If I were suddenly to realize that I am allergic to peanut butter, I would immediately throw out any and all vestiges of the (delicious) stuff from my house. The problem, of course, is with me, not with peanut butter; however, this is a necessary precaution.
There is no question that the problem is with the user, not with the PC. What is a user with a problem to do? I think Moishe Online has it right; in his circumstances, throwing the PC through the window was the necessary course of action (and it sure beats throwing the user through the window…).